.checked{
    color: #fff;
    background-color: #286090;
    border-color: #204d74;
}

/* From www.lingdaima.com */
.btn {
 padding: 1.3em 3em;
 font-size: 12px;
 text-transform: uppercase;
 letter-spacing: 2.5px;
 font-weight: 500;
 color: #000;
 background-color: #fff;
 border: none;
 border-radius: 45px;
 -webkit-box-shadow: 0px 8px 15px rgba(0, 0, 0, 0.1);
         box-shadow: 0px 8px 15px rgba(0, 0, 0, 0.1);
 -webkit-transition: all 0.3s ease 0s;
 transition: all 0.3s ease 0s;
 cursor: pointer;
 outline: none;
}

.btn:hover {
 background-color: #2EE59D;
 -webkit-box-shadow: 0px 15px 20px rgba(46, 229, 157, 0.4);
         box-shadow: 0px 15px 20px rgba(46, 229, 157, 0.4);
 color: #fff;
 -webkit-transform: translateY(-7px);
     -ms-transform: translateY(-7px);
         transform: translateY(-7px);
}

btn:active {
 -webkit-transform: translateY(-1px);
     -ms-transform: translateY(-1px);
         transform: translateY(-1px);
}